cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A380901 Integers k such that k = Sum k/(p_i + j), where p_i are the prime factors of k (with multiplicity). Case j = 2.

Table of values

n a(n)
1 16
2 243
3 78125
4 120393
5 166725
6 177957
7 316953
8 792585
9 1478925
10 40353607
11 55883275
12 59648043
13 77389375
14 82602975
15 88167807
16 106237047
17 107171875
18 114391875
19 122098275
20 128153375
21 130323843
22 147121275
23 157032603
24 177471875
25 189427875
26 190142667
27 203739375
28 217464975

List of values

[16, 243, 78125, 120393, 166725, 177957, 316953, 792585, 1478925, 40353607, 55883275, 59648043, 77389375, 82602975, 88167807, 106237047, 107171875, 114391875, 122098275, 128153375, 130323843, 147121275, 157032603, 177471875, 189427875, 190142667, 203739375, 217464975]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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